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. 2016 Dec 23;7(1):1. doi: 10.3390/brainsci7010001

Table 1.

Means and Standard Deviations by Group.

Variables Baseline Follow-Up Change Scores
Group (n = 13) Individual (n = 12) Group (n = 13) Individual (n = 12)
PHQ-9 7.39 (5.46) 6.92 (2.68) 2.15 (2.58) 3.5 (1.68) −4.36 (3.92)
GAD-7 7.08 (5.14) 8.00 (3.44) 2.54 (2.6) 3.75 (1.91) −4.4 (4.26)
ISI 15.92 (6.14) 14.5 (3.8) 5.15 (3.69) 6.08 (2.61) −9.64 (5.01)
SL 27.95 (25.58) 28.53 (17.81) 10.8 (6.93) 12.24 (7.57) −16.73 (19.81)
WASO 54.33 (35.63) 28.65 (26.98) 17.1 (13.92) 14.62 (14.89) −26.11 (33.58)
SE 74.75 (13.54) 78.83 (9.81) 89.19 (4.83) 87.46 (7.58) 11.65 (13.21)
TST 397.55 (76.9) 425 (35.71) 407.47 (53.68) 433.45 (41.91) 9.21 (52.01)

PHQ-9: Patient Health Questionnaire; GAD-7: Generalized Anxiety Disorder; ISI: Insomnia Severity Index; SL: Sleep Latency; WASO: Wake After Sleep Onset; SE: Sleep Efficiency; TST:Total Sleep Time.